The Politics
of Organized Crime in Australia, Academy of Criminal Justice Sciences,
Washington, DC, March 1989

Issues in
Serial Murder Research, Participant in round table at the Academy of Criminal
Justice Sciences, Washington, DC, March 1989

Group Serial
Murder, Delivered (on my behalf) to the American Society of Criminology, Reno,
NV, November 1989

`Occult
Criminality': Myth and Reality in a Contemporary Moral Panic (with Daniel
Maier-Katkin). American Society of Criminology, Baltimore, MD, November 1990.
Also chaired a panel at this meeting on Historical Perspectives on Crime and
the Media

Narcotics
Trafficking and the American Mafia: The Myth of Abstention, Conference on The
Drug War. University Park, PA, May 1991

From Eye Witness to Private Eye: The Tradition of Exposé Journalism, Chesterton
Society Conference on G.K. Chesterton and
Journalism, Toronto, Canada, September 1991

Bricks in
the Wall, International conference on
The Wall: Reality and Symbol. University Park, PA, October 1991

Iraq and
State Terrorism, Academy of Criminal Justice Sciences, Pittsburgh, PA, March
1992

The Social
Construction of a Multiple Homicide Problem: The Case of Contemporary Britain,
Academy of Criminal Justice Sciences, Pittsburgh, PA, March 1992

A Historical
Perspective on Serial Murder: England, Germany and the USA, 1900-1940,
International Conference on Mass and Serial Murder: Theory, Research, Policy,
University of Windsor, Ontario, Canada, April 1992

Definition
and Identity: Political Culture in Seventeenth Century Wales, Trevelyan Fund
Colloquium, Cambridge, England, July 1993

The Anglican
Church and the Unity of Britain, Delivered (on my behalf) to the conference on
Conquest and Union: Forging a Multi-National British State 1485-1707,
University College, Galway, Ireland, September 1993

Public
Disorder and Political Stability in Europe 1968-1993, Conference on No Justice,
No Peace? Crime, Culture and Ethnic Conflict in Germany and the United States,
(Max Kade Foundation for Research in German-American Studies), University Park,
PA, September 1993

The Devil
Rides In: Charismatic Christians and the Depiction of a Satanic Menace in
Contemporary Great Britain Delivered (on my behalf) to the Eastern Regional
Meeting of the American Academy of Religion, Montreal, Canada, April 1994.

Designer
Drugs: Sitting Out the War on Drugs? Pennsylvania Association of Criminal
Justice Educators, Harrisburg, PA, April 1994

The Next
Panic? Predicting the Social Fears of the New Century, North-Eastern Academy of
Criminal Justice Sciences, Newport, RI, June 1994

Constructing
Aggression: The Demonization of the Serbs in the Balkan Conflict, Symposium on
the Balkan War: Yugoslavia - Past and Present. Sponsored by the International
Strategic Studies Association: Chicago, IL, August 1995

Interfaith
Cooperation in Modern Urban America: A Philadelphia Story, Mid-Atlantic
Regional Meeting of the American Academy of Religion, Baltimore, March 1996

I moderated
a panel at a conference on Violence in the Workplace held at University Park,
PA, March 1996

Armies of
God: John Brown and the American Terrorist Tradition, Symposium on John Brown,
at the Mont Alto campus of the Pennsylvania State University, July 1996. I also
chaired a panel at this meeting on John Brown: Politics and Law

The Social
Construction of Gay Teen Suicide, Society for the Study of Social Problems, New
York City, August 15, 1996

Libertines
and Homophobes: The Paradox of Anticlerical Pornography, Conference on Early
Modern Culture, organized by the Group for Early Modern Cultural Studies,
Pittsburgh PA, September 27, 1996

Silver
Shirts Among the Brown: The Silver Legion in Pennsylvania 1934-1942
Pennsylvania Historical Association, State College, PA, October 1996

Religious Authority and the Challenges of Modernity, The Archbishop
of Canterbury’s Building Bridges Seminar, Georgetown University, May 2010.

The Bible in a Changing Christian World, keynote lecture at United
Bible Societies World Assembly, Seoul, Republic of Korea, September 2010.

The Globalization of Christianity, Keynote lecture at conference on Our Common Future, Essen, Germany,
November 2010.

The Other Camp of the Saints:Comparing Christian and Muslim Narratives of Global Expansion in the
Modern Era, American Society of Church History, Boston, MA, January 2011

Chair and Discussant, Panel on Class Culture and Gender, Conference
on Bringing Stratification Process Back In To The Scientific Study Of Religion,
Penn State University, May 2011

David
P. Hughes, Jennifer Trinitapoli, and Philip Jenkins, A Plague On Both Your
Houses: The Intersection Of Infectious Disease, City Dwelling And Religious
Belief, 13th Congress of the European Society for Evolutionary Biology, Tübingen, Germany, August 2011

Eight Lessons from the History of Terrorism, Conference on The Future
of Terrorism II, University Park, PA October 2011

I participated in a panel on Confronting Islamophobia at the annual
conference of the American Academy of Religion, held in San Francisco, November
2011. I also chaired a panel at this conference on Global Charismatic and
Pentecostal Healing.

Evangelicals, Pentecostals, and
Charismatics, International Conference on New Religious Movements as a
Challenge for the Catholic Church, organized by the German Bishops' Conference,
Rome, Italy, April 2013.

Out of the Past: Child Abuse in Religious Settings, STAND conference
for North American Mission Leaders, Dallas TX, September 2013.

From
Wittenberg to Lagos: The Sixteenth Century Reformation and Modern-Day Global
Christianity, at Protestantism? Reflections in Advance of the 500th
Anniversary of the Protestant Reformation, 1517-2017, Gordon College, Mass.,
November 2013.

A Little Leaven: From Mass Church to Creative Minority in
Contemporary Europe, Symposium on Secularization and Revival, October 2009.

Reading the Bible
in the Global South, Willson-Addis Lecture, George W. Truett Theological Seminary, March
2010

BRICs of Faith, October 2010

I co-organized the conference The King James Bible and the World It
Made 1611-2011, which was held at Baylor University in April 2011. I also
presented a plenary lecture at this event entitled Regions Luther Never Knew:
Ancient Books in a New World

Laying Down the Sword, February
2012

A Critic in the Desert: Robert Browning and the Limits of Plain
Historic Fact, Conference on The Cross
and the Book, February 2012

Remember Waco! The Disaster in Politics
and Popular Culture, Conference on Reflecting on an American Tragedy, April
2013

Angels and
Horsemen: The Great War as an Apocalyptic Struggle, Remembering Armageddon:
Commemorating the First World War, March 2014

Where Have
All The Cultists Gone? Debate with Gordon Melton, CESNUR conference on New
Religious Movements, June 2014

I
co-organized the Baylor University conference on Faith and Film, held at that
university in October 2014, and chaired two sessions at the event

Godless
Europe? At End of Religion symposium, May 2015

Looking
East, Conference on the Syriac Christian Churches, April 2016

Merchant of
Death and Dreams of Peace. Conference on For God and Country: The First World
War and the US, April 2017

Preaching and World Christianity, Symposium on
God’s Word and Our Words, Truett Seminary, September 2017

Panelist, Seminar on Centennial of Russian
Revolution, October 2017

Chair, session at The Bible and the Reformation,
October 2017

In addition to these lectures and seminars, I
have also spoken frequently in different venues in the US and overseas, chiefly
on aspects of global Christianity, and the expansion of Christianity in the
global South. Since 2002, I have given about 150 such lectures.